Just for information, a few years ago, I flew BRU-SVO-BKK (I wanted to fly the Il-96). As I had to spend one night in Moscow due to bad connection. I was abble to book an Aeroflot transit hotel (ask Aeroflot office) and stay one night without visa in Moscow but I was not allowed to leave the hotel. So, I'm sure you don't need visa for all transit flights from International to international EXCEPT flights to Minsk wich are considered (Don't know why) as domestic flights. That's the only one you need a transit visa.
Have a good trip.

Quoting Stylo777 (Reply 4):I heard that you can't connect between SVO-1 and SVO-2 without a transit visa. is that right???

Yes. I did it two years ago, transiting from CDG and going to Simferopol (Ukraine). There is a car transfer between both terminal. It's a great experience because you can see all old Tupolev and Ilyushin which will never fly again and wich are parked in airport restricted area far away from both terminal.

Quoting SIBILLE (Reply 3):stay one night without visa in Moscow but I was not allowed to leave the hotel.

Were you staying in the hotel near by the airport? How did they control you never left the hotel? You were just told not to leave it?

Quoting SIBILLE (Reply 3):flights to Minsk which are considered (Don't know why) as domestic flights

Russia and Byelorussia have an interstate agreement which is close to the Schengen one by the matter. Lots of stuff that related to transport, work force, goods etc are considered as though they are within one state.

Quoting NG1Fan (Reply 1):SVO is a bit of a sh!thole to be spending more than two hours in.

Confirm, very true.

Quoting UN_B732 (Reply 7):Until SVO-3 is built, I don't see why anyone would WANT to connect in Moscow

...... NORMAL PASSPORTS ONLY ......
VISA NOT REQUIRED IF CONTINUING WITHIN 24 HOURS AND NOT
LEAVING THE AIRSIDE (INTERNATIONAL) TRANSIT AREA.
PASSENGER MUST HOLD ONWARD TICKET ANDALL DOCUMENTS REQUIRED
FOR NEXT DESTINATION.
IF CONTINUING BY A DOMESTIC FLIGHT (ALSO INCLUDING BELARUS)
ORIF AIRPORT OF ARRIVAL SA) and Eagle Air/Arnaflug (Iceland)">IS DIFFERENT FROM AIRPORT OFDEPARTURE WITHIN THE SAME RUSSIAN CITY (E.G. ARRIVING ATSHEREMETYEVO-2 AND DEPARTING FROM SHEREMETYEVO-1 AIRPORT
IN MOSCOW):
TRANSIT VISA REQUIRED, AS ENTERING TERRITORY OF RUSSIAN FED.

Quoting EYKD (Reply 8):Were you staying in the hotel near by the airport? How did they control you never left the hotel? You were just told not to leave it?

It tooked at least 30 minutes by car from airport to hotel. The transit passengers without visa had to stay in the last floor and nobody was allowed to leave it. Some policemen were sitted near the lift.
In the morning, we were allowed to go to the first floor, we received a breakfast in a box and transfered back to the airport with policemen.

Quoting AA767LOVER (Thread starter):Would I still need a transfer visa if I were only staying in SVO en route to HKG? Would appreciate counsel before purchasing ticket. Thanks!

I've done the x-fer w/o a transit visa (years ago). I've also done it with a transit visa and a trip to Moscow. It might be worth getting a transit visa to see Moscow for a day. Transit visas were (are?) a lot easier/cheaper to get than a normal visa.